Källkod
Välj en PHP-fil för att visa dess källkod.
- comments.php
- exercises.php
- exercises/form1.php
- exercises/form1_svar.php
- exercises/form2.php
- exercises/form2_svar.php
- exercises/form3.php
- exercises/form3_svar.php
- exercises/form4.php
- exercises/form4_svar.php
- exercises/form5.php
- exercises/form5_svar.php
- exercises/form6.php
- exercises/form6_svar.php
- exercises/form7.php
- exercises/form7_svar.php
- exercises/form8.php
- exercises/fragtavling.php
- exercises/index1.php
- exercises/mail_config.php
- exercises/ovning1.php
- exercises/ovning2.php
- exercises/ovning3.php
- exercises/ovning3b.php
- exercises/ovning4.php
- exercises/ovning5.php
- exercises/ovning6.php
- exercises/ovning7.php
- exercises/ovning8_funktion_hejsvejs.php
- exercises/ovning9_funktion_antal.php
- exercises/ovning10_funktion_storsta.php
- exercises/ovning11_funktion_storsta_minsta.php
- exercises/ovning12_funktion_medelvarde.php
- exercises/ovning13_funktion_jamna_tal.php
- exercises/phpintro.php
- exercises/testovning.php
- incl/config.php
- incl/footer.php
- incl/form_helpers.php
- incl/header.php
- index.php
- source.php
- viewsource.php
exercises/ovning5.php
<?php
$tal = [];
$varde = 1;
// Lägg in 10 tal i arrayen
for ($i = 0; $i < 10; $i++) {
$tal[] = $varde;
$varde = $varde * 2;
}
// Skriv ut talen
echo "Talen i arrayen:<br>";
foreach ($tal as $nummer) {
echo $nummer . " ";
}
// Beräkna summan
$summa = 0;
foreach ($tal as $nummer) {
$summa = $summa + $nummer;
}
// Beräkna medelvärdet
$medelvarde = $summa / count($tal);
echo "<br><br>";
echo "Medelvärdet är: " . $medelvarde;
?>